* {
	margin: 0;
	padding: 0;
}
body {
	width: 100%;
	max-width: 750px;
	min-width: 320px;
	margin: 0 auto;
}
li {
	list-style: none;
}
header {
	height: 44px;
}
header ul {
	width: 100%;
	max-width: 750px;
	position: fixed;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}
header ul li:nth-child(1) {
	width: 40px;
	height: 44px;
	overflow: hidden;
	position: absolute;
	left: 0;
	top: 0;
}
header ul li:nth-child(1) img {
	margin: 14px 0 0 15px;
	width: 20px;
	height: 18px;
	display: block;
}
header ul li:nth-child(2) {
	height: 44px;
	margin: 0 20px 0 50px;
	overflow: hidden;
}

header ul li:nth-child(2) div {
	padding: 0 10px 0 68px;
	box-sizing: border-box;
	border-radius: 15px;
	height: 30px;
	overflow: hidden;
	background: #f7f7f7;
	font-size: 12px;
	line-height: 30px;
	margin-right: 32px;
	margin-top: 7px
}
header ul li:nth-child(2) div input {
	border: 0;
	background: 0 0;
	font-size: 12px;
	color: #232326;
	padding-left: 5px;
	box-sizing: border-box;
	margin-left: 5px;
	line-height: 16px;
}
header ul li:nth-child(3) {
	width: 40px;
	height: 44px;
	overflow: hidden;
	position: absolute;
	top: 10px;
	bottom: 10px;
	color: #fff;
	font-size: 14px;
}
section{
	height: 116px;
	background-image: linear-gradient(0deg,#f1503b,#c82519 50%);
	border-bottom-left-radius: 100%;
	border-bottom-right-radius: 100%; 
}